Research

Publications:

• "Multiproduct retailing and consumer shopping behavior: The role of shopping costs", International Journal of Industrial Organization, Vol. 68, 2020, with Daniel Herrera-Araujo, Université Paris-Dauphine.

• "Do preferences for private labels respond to supermarket loyalty programs?",  Journal of Economic Behavior and Organization, Vol. 188, 2021, pp. 183-208. 

Working papers:

• "Minimum Markup Laws and Multiproduct Pricing", with Daniel Herrera-Araujo, Université Paris-Dauphine. 

[slides][draft, submitted]

• "The effects of two-way lending between financial conglomerates in bilateral repo markets", with Karoll Gómez, Universidad Nacional de Colombia, and Carlos Cañón, Bank of England.

• "Materials prices, market power, and the rise in processed food inflation in emerging markets: Evidence from Colombia", with Margarita Gáfaro, Alejandra González, and Sebastián Vélez, , Central Bank of Colombia 

[draft, submitted]

• "Vertical control and retail price stability: Evidence from the Ready-to-Eat Cereal Industry", with Renzo Clavijo, Universidad EAFIT.

Other publications/Policy documents (in Spanish):

• "Análisis empírico de los efectos económicos de la colusión: lecciones para Colombia", Ensayos sobre Política Económica, No. 35, 2017, with Karoll Gómez, Universidad Nacional de Colombia.

• "Barreras de acceso al crédito a pequeños productores agropecuarios en Colombia", with Margarita Gáfaro, and others, Ensayos sobre Política Económica, No. 109, 2025 [link]

Selected work in progress:

• "Coordination Incentives of Tariff-Rate Quotas", with Mayara Felix (Yale University), and Diego Jiménez-Hernández (Chicago FED).

• “Choice Frictions in Pharmaceutical Markets: The Case of Hormonal Contraceptives”, with Santiago Ortiz  (Toulouse School of Economics), Paul Rodríguez-Lesmes (Universidad del Rosario), and Natalia Serna (Stanford University).

• "Expanding Credit through Public Guarantees: Evidence from Agricultural Lending Markets", with Margarita Gáfaro and Alejandra González, Central Bank of Colombia.